For Block A above, the sedimentary units are in sequence, P, K, M,. Figure 6.15 Geologic block diagram of a hypothetical region, . Discover how geologists study the layers in sedimentary rock to establish relative age.

1 08 2006 - For each of the relative dating diagrams , you are to think about them like . In the block diagram at left we see sediment layers that contain.Radioactive dating indicates that the granite intrusion is 279 million years .